\subsection{Survey of Existing Approaches} \label{ssec:existing} Because few remote control (RC) setups allow for live telemetry‚ almost all flying is done "by eye‚" and RC instrumentation and data logging is a poorly developed field. RC gliders especially eschew any projecting elements which could increase drag. The few relevant RC systems the author has found are described in this section‚ but most considered designs are in practice found only on manned vehicles. \begin{figure}[!htb]
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Generally‚ the sound of hurricane force winds and snapping trees don’t combine to make the sweetest lullaby but for the hurricane season those sounds rocked me to sleep. Mix with my mother’s panic and some house leaks‚ I didn’t necessarily have the most eventful hurricane experience. The approach of hurricane Irma didn’t make me as nervous as much as it should have‚ most likely due to my mother worrying enough for the both of us. We covered everything important and not so important things in plastic
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Wildfires are large‚ destructive fires that spread quickly across woodland or brush. These fires are powered by the weather‚ wind‚ and dry underbrush. Tons and tons of land can be burned‚ leaving everything in its path destroyed. This all can happen in just a matter of minutes. Uncontrolled blazes‚ or wildfires “can clear four million to five million acres of land in the U.S. every year (Wildfires‚ 2015).” During a wildfire‚ it moves at a speed of around fourteen miles an hour. While it’s burning
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Storm Develops Formation and Movements of Storms Weather Causing Phenomena in the Philippines Types of Climate Climates in the Philippines Air Mass : NATSC 003 Weather and Climate 4 Air Mass Air mass is the body of air that is carried by prevailing winds. It moves as a unit and it is really a body of air that moves. Air mass is large and extends for several kilometers. It’s homogeneous and it’s approximately the same amount of moisture. Air Mass : NATSC 003 Weather and Climate 5 Air Mass Forms of
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Climate of Bangladesh Climate is the average weather of 30-year time period for a particular region. Climate is not the same as weather‚ but rather‚ it is the average pattern of weather for a particular region. Weather describes the short-term state of atmosphere. The Tropic of Cancer passes through the center of Bangladesh and the country’s climate can be described as tropical monsoon type - warm and humid in the summer‚ dry and cool in the winter. The dominant climatic factor for Bangladesh is
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pressure variations due to wind & stack effects. Wind The movement of air takes place smoothly well away from the earth’s surface. Velocity is reduced towards the ground‚ direction of movement is affected by relief of hills and mountains and vegetation resulting in turbulence of airflow. Admiral Beaufort devised a scale in 1806 primarily for classification of winds at sea. A Typical Pattern of Pressure Distribution In high buildings above ten floors‚ wind and stack effect become
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bouncing off each-other. If a vacuum ever existed in the atmosphere it would be filled very quickly because there would be no resistance against the excited air molecules. * This phenomenon is the driving principle behind airplane wings. As wind blows over the wing (see picture below) there is a pressure differential between the top and the bottom of the wing. This is because the top of a wing is curved and the bottom is flat. * The air molecules traveling over the top‚ or the curved
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remotely close to our nest. She makes me feel weak as I watch her‚ but the wings on my mother make me feel safer than I can ask for‚ she soars through gushing winds to gather my food‚ I admire her strength‚ she is my inspiration. Eager to fly‚ I manage to walk from one side of the nest to the other‚ lift my wings and jump high enough to gain some wind‚ but nothing happens. My wings collapse and don’t produce the strength I need to lift myself into the air‚ I suppose patience is important. My mother notices
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say?” He took a long pause‚ and finally said‚ “There is no sense in departure now‚ Francis. I promise you together we will be strong.” So it began‚ and the two men hiked side by side through the rough terrain. Words and laughter traveled through the wind every so often‚ but it was mostly the company of another person that kept each man hopeful. The day grew old and the sun sank into the horizon. Stars poked little twinkling holes into the dark blue sky above Mount Kilimanjaro. Two miles until a rest
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blinded me with its immense beams of light. I could hear the endless‚ turbulent clatter of the rain as the wind howled like a pack wolfs .Tears rolled down my smooth‚ nectary‚ and soft cheeks. I struggled to push myself‚ the pain was immense‚ and it blistered throughout my body. I walked aimlessly. Every step I took echoed vigorously throughout the hallway. I tugged at the door as a gush of wind led me into the wilderness. My eyes led into the deep‚ crystal blue sky as it rested upon the same prodigious
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